ATE265794T1 - ASSIGNING A CARRIER FREQUENCY IN AN SDMA RADIO SYSTEM - Google Patents

ASSIGNING A CARRIER FREQUENCY IN AN SDMA RADIO SYSTEM

Info

Publication number
ATE265794T1
ATE265794T1 AT96102712T AT96102712T ATE265794T1 AT E265794 T1 ATE265794 T1 AT E265794T1 AT 96102712 T AT96102712 T AT 96102712T AT 96102712 T AT96102712 T AT 96102712T AT E265794 T1 ATE265794 T1 AT E265794T1
Authority
AT
Austria
Prior art keywords
carrier frequency
mobile stations
assigning
radio system
fixed station
Prior art date
Application number
AT96102712T
Other languages
German (de)
Inventor
Michael Tangemann
Cornelis Hoek
Heinz Schlesinger
Original Assignee
Cit Alcatel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE265794T1 publication Critical patent/ATE265794T1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Abstract

The carrier frequency assigning system only allows the same carrier frequency to be assigned to different mobile stations (MS1,..MS3) when the directions of the mobile stations relative to the fixed station (BTS) differ from one another by a given min. angle and the received radio signal levels lie within defined a defined reception level range. Pref. the required difference angle between the mobile stations is varied in dependence on the distance of the mobile stations from the fixed station and the reception level is matched to the dynamic parameters of the radio device.
AT96102712T 1995-02-24 1996-02-23 ASSIGNING A CARRIER FREQUENCY IN AN SDMA RADIO SYSTEM ATE265794T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19506439A DE19506439A1 (en) 1995-02-24 1995-02-24 Allocation of a carrier frequency in an SDMA radio system

Publications (1)

Publication Number Publication Date
ATE265794T1 true ATE265794T1 (en) 2004-05-15

Family

ID=7754913

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96102712T ATE265794T1 (en) 1995-02-24 1996-02-23 ASSIGNING A CARRIER FREQUENCY IN AN SDMA RADIO SYSTEM

Country Status (9)

Country Link
US (1) US5732075A (en)
EP (1) EP0729285B1 (en)
JP (1) JPH08265837A (en)
AT (1) ATE265794T1 (en)
AU (1) AU707629B2 (en)
CA (1) CA2170210A1 (en)
DE (2) DE19506439A1 (en)
FI (1) FI960843A (en)
NZ (1) NZ280989A (en)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309858B (en) * 1996-01-31 2000-08-23 Motorola Ltd Apparatus and method for channel allocation
US5886988A (en) * 1996-10-23 1999-03-23 Arraycomm, Inc. Channel assignment and call admission control for spatial division multiple access communication systems
FI101918B (en) * 1996-12-20 1998-09-15 Nokia Telecommunications Oy Packet radio systems using SDMA and method of forming a can al
EP0898850B1 (en) * 1997-02-13 2006-09-27 Nokia Corporation Method and apparatus for directional radio communication
EP0963669B1 (en) 1997-02-13 2004-01-14 Nokia Corporation Method and apparatus for directional radio communication
EP0960451B1 (en) 1997-02-13 2002-05-22 Nokia Corporation Method and apparatus for directional radio communication
JP2000509238A (en) * 1997-02-13 2000-07-18 ノキア テレコミュニカシオンス オサケ ユキチュア Directional wireless communication method and apparatus
DE69731978T2 (en) * 1997-02-13 2005-10-06 Nokia Corp. METHOD AND DEVICE FOR TRANSMITTED RADIO TRANSMISSION
US5960351A (en) * 1997-02-26 1999-09-28 Ericsson Inc. Radio frequency planning and assignment in a discontiguous spectrum environment
FR2766035B1 (en) * 1997-07-11 1999-09-24 Alsthom Cge Alcatel METHOD FOR ESTIMATING THE ANGULAR DISPERSION OF A SIGNAL TRANSMITTED BY A TRANSMITTER TO A RECEIVER AND CORRESPONDING RECEIVER
DE19752200C1 (en) * 1997-11-25 1999-02-04 Siemens Ag Digital signal transmission system in radio subscriber connection network
JP3266091B2 (en) 1998-03-04 2002-03-18 日本電気株式会社 Cellular system
FR2780817B1 (en) * 1998-07-06 2007-09-14 Sfr Sa RADIOELECTRIC RADIATION BEAM (S) ORIENTATION METHOD (S) FOR COMMUNICATION BETWEEN A BASE STATION AND A MOBILE RADIOTELEPHONE, AND CORRESPONDING BASE STATION
JP3473434B2 (en) 1998-09-16 2003-12-02 三菱電機株式会社 Wireless communication system and wireless communication method
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
EP1073305A1 (en) * 1999-07-29 2001-01-31 Alcatel A method of transferring an established call between a mobile terminal and a first base station in a cellular communications network to a second base station of the network
MXPA02001046A (en) * 1999-07-30 2003-08-20 Iospan Wireless Inc Spatial multiplexing in a cellular network.
US6757265B1 (en) 1999-07-30 2004-06-29 Iospan Wireless, Inc. Subscriber unit in a hybrid link incorporating spatial multiplexing
US6067290A (en) 1999-07-30 2000-05-23 Gigabit Wireless, Inc. Spatial multiplexing in a cellular network
JP2001169326A (en) 1999-12-08 2001-06-22 Matsushita Electric Ind Co Ltd Wireless base station system and wireless communication method
DE69938185T2 (en) * 1999-12-21 2009-07-23 Lucent Technologies Inc. A method and apparatus for operating a cellular telecommunications system
JP3520026B2 (en) * 2000-04-03 2004-04-19 三洋電機株式会社 Radio base station, control method thereof, and program recording medium
EP1295150A2 (en) 2000-05-05 2003-03-26 Greenwich Technologies Remote sensing using rayleigh signaling
US6823021B1 (en) 2000-10-27 2004-11-23 Greenwich Technologies Associates Method and apparatus for space division multiple access receiver
US7965794B2 (en) 2000-05-05 2011-06-21 Greenwich Technologies Associates Method and apparatus for broadcasting with spatially diverse signals
CN1149754C (en) 2000-05-26 2004-05-12 松下电器产业株式会社 Base station apparatus and packet transmitting method
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
US6937592B1 (en) * 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US6996060B1 (en) 2001-03-20 2006-02-07 Arraycomm, Inc. Closing a communications stream between terminals of a communications system
US6567387B1 (en) * 2000-11-07 2003-05-20 Intel Corporation System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit
US20020136287A1 (en) * 2001-03-20 2002-09-26 Heath Robert W. Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system
US7339906B1 (en) * 2001-03-20 2008-03-04 Arraycomm, Llc Opening a communications stream between a user terminal and a base station
US7149254B2 (en) * 2001-09-06 2006-12-12 Intel Corporation Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems
JP4637422B2 (en) * 2001-09-27 2011-02-23 Ｋｄｄｉ株式会社 Radio channel scheduling method and apparatus, and mobile communication system
US20030067890A1 (en) * 2001-10-10 2003-04-10 Sandesh Goel System and method for providing automatic re-transmission of wirelessly transmitted information
US7336719B2 (en) 2001-11-28 2008-02-26 Intel Corporation System and method for transmit diversity base upon transmission channel delay spread
US7012978B2 (en) * 2002-03-26 2006-03-14 Intel Corporation Robust multiple chain receiver
US20030235252A1 (en) * 2002-06-19 2003-12-25 Jose Tellado Method and system of biasing a timing phase estimate of data segments of a received signal
JP5066162B2 (en) * 2009-11-27 2012-11-07 京セラ株式会社 Adaptive array base station and physical slot allocation method by adaptive array base station
JP5066161B2 (en) * 2009-11-27 2012-11-07 京セラ株式会社 Adaptive array base station and physical slot allocation method by adaptive array base station
JP5706309B2 (en) * 2011-12-27 2015-04-22 日本電信電話株式会社 Radio resource allocation method and base station apparatus
US8767862B2 (en) 2012-05-29 2014-07-01 Magnolia Broadband Inc. Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
US8861635B2 (en) 2012-05-29 2014-10-14 Magnolia Broadband Inc. Setting radio frequency (RF) beamformer antenna weights per data-stream in a multiple-input-multiple-output (MIMO) system
US8885757B2 (en) 2012-05-29 2014-11-11 Magnolia Broadband Inc. Calibration of MIMO systems with radio distribution networks
US8649458B2 (en) 2012-05-29 2014-02-11 Magnolia Broadband Inc. Using antenna pooling to enhance a MIMO receiver augmented by RF beamforming
US8837650B2 (en) 2012-05-29 2014-09-16 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station
US8842765B2 (en) 2012-05-29 2014-09-23 Magnolia Broadband Inc. Beamformer configurable for connecting a variable number of antennas and radio circuits
US8644413B2 (en) 2012-05-29 2014-02-04 Magnolia Broadband Inc. Implementing blind tuning in hybrid MIMO RF beamforming systems
US8811522B2 (en) 2012-05-29 2014-08-19 Magnolia Broadband Inc. Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
US8971452B2 (en) 2012-05-29 2015-03-03 Magnolia Broadband Inc. Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems
US8619927B2 (en) 2012-05-29 2013-12-31 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO/RF beamforming
US9154204B2 (en) 2012-06-11 2015-10-06 Magnolia Broadband Inc. Implementing transmit RDN architectures in uplink MIMO systems
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
US8797969B1 (en) 2013-02-08 2014-08-05 Magnolia Broadband Inc. Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
US9155110B2 (en) 2013-03-27 2015-10-06 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US20140226740A1 (en) 2013-02-13 2014-08-14 Magnolia Broadband Inc. Multi-beam co-channel wi-fi access point
US8989103B2 (en) 2013-02-13 2015-03-24 Magnolia Broadband Inc. Method and system for selective attenuation of preamble reception in co-located WI FI access points
US8774150B1 (en) 2013-02-13 2014-07-08 Magnolia Broadband Inc. System and method for reducing side-lobe contamination effects in Wi-Fi access points
US9100968B2 (en) 2013-05-09 2015-08-04 Magnolia Broadband Inc. Method and system for digital cancellation scheme with multi-beam
US9425882B2 (en) 2013-06-28 2016-08-23 Magnolia Broadband Inc. Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations
US8995416B2 (en) 2013-07-10 2015-03-31 Magnolia Broadband Inc. System and method for simultaneous co-channel access of neighboring access points
US8824596B1 (en) 2013-07-31 2014-09-02 Magnolia Broadband Inc. System and method for uplink transmissions in time division MIMO RDN architecture
US9497781B2 (en) 2013-08-13 2016-11-15 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
US9060362B2 (en) 2013-09-12 2015-06-16 Magnolia Broadband Inc. Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme
US9172454B2 (en) 2013-11-01 2015-10-27 Magnolia Broadband Inc. Method and system for calibrating a transceiver array
US8891598B1 (en) 2013-11-19 2014-11-18 Magnolia Broadband Inc. Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
US8929322B1 (en) 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9294177B2 (en) 2013-11-26 2016-03-22 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9042276B1 (en) 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
US9100154B1 (en) 2014-03-19 2015-08-04 Magnolia Broadband Inc. Method and system for explicit AP-to-AP sounding in an 802.11 network
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
US9271176B2 (en) 2014-03-28 2016-02-23 Magnolia Broadband Inc. System and method for backhaul based sounding feedback
US20160087336A1 (en) * 2014-09-24 2016-03-24 Alexander Maltsev Systems and methods for optimizing wireless communication
CN107852351B (en) * 2015-08-06 2020-12-29 瑞典爱立信有限公司 Method and apparatus for transmission based on interception

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425639A (en) * 1981-01-12 1984-01-10 Bell Telephone Laboratories, Incorporated Satellite communications system with frequency channelized beams
DE3118018A1 (en) * 1981-05-07 1982-11-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Communications system
DE3423289A1 (en) * 1984-06-23 1986-01-02 Heinrich Pfitzner Gesellschaft für Nachrichtensysteme und Elektronik mbH, 6000 Frankfurt Radio network
US4965732A (en) * 1985-11-06 1990-10-23 The Board Of Trustees Of The Leland Stanford Junior University Methods and arrangements for signal reception and parameter estimation
US4813036A (en) * 1985-11-27 1989-03-14 National Exchange, Inc. Fully interconnected spot beam satellite communication system
DE4134357A1 (en) * 1991-10-17 1993-04-22 Standard Elektrik Lorenz Ag MESSAGE TRANSFER SYSTEM
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
EP0640260B1 (en) * 1992-05-15 1996-11-27 Siemens Aktiengesellschaft Mobile radio network with central cell beaming
ZA935527B (en) * 1992-07-31 1994-02-24 Csir Cellular communication system
JPH0746248A (en) * 1993-07-30 1995-02-14 Toshiba Corp Radio communication system
TW351886B (en) * 1993-09-27 1999-02-01 Ericsson Telefon Ab L M Using two classes of channels with different capacity
JP2556279B2 (en) * 1993-12-14 1996-11-20 日本電気株式会社 Radio link control method for mobile communication system
US5559806A (en) * 1995-02-27 1996-09-24 Motorola, Inc. Transceiver having steerable antenna and associated method

Also Published As

Publication number Publication date
DE19506439A1 (en) 1996-08-29
US5732075A (en) 1998-03-24
EP0729285A3 (en) 1999-05-06
AU4443996A (en) 1996-09-05
FI960843A (en) 1996-08-25
EP0729285B1 (en) 2004-04-28
EP0729285A2 (en) 1996-08-28
AU707629B2 (en) 1999-07-15
NZ280989A (en) 1997-03-24
JPH08265837A (en) 1996-10-11
DE59610994D1 (en) 2004-06-03
FI960843A0 (en) 1996-02-23
CA2170210A1 (en) 1996-08-25

Similar Documents

Publication Publication Date Title
ATE265794T1 (en) ASSIGNING A CARRIER FREQUENCY IN AN SDMA RADIO SYSTEM
CA2277987A1 (en) Directional-beam generative apparatus and associated method
SE9202840D0 (en) SIGNAL STRENGTH CONTROLLED DIRECTED RETRY IN A MOBILE RADIOTELEPHONE SYSTEM
SE9102492L (en) COMBINED MOBILE RADIO SYSTEM
CA2047253A1 (en) Method of locating a mobile station
EP0165058A3 (en) Communication systems with portable units
CA2274065A1 (en) Method and system for optimizing a traffic channel in a wireless communications system
AU4906697A (en) Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
SE9602980D0 (en) Wireless coverage oscillation detection system
EP1418779A3 (en) Communication control method and apparatus in mobile communication system
US5404576A (en) Base station coverage area control system
WO1998017077A3 (en) Channel allocation method and radio system using a combination of tdma and cdma
AR013625A1 (en) PROVISION AND METHOD OF COMMUNICATIONS WITHOUT CABLE.
NO985372D0 (en) Spectral Scattering Communication System
NL1005457A1 (en) Transceiver.
ATE479237T1 (en) METHOD AND DEVICE FOR TRACKING SIGNALS IN A WIRELESS COMMUNICATIONS SYSTEM
FI974534A0 (en) Execution of data communications capacity
HK1050453A1 (en) Radio base station.
DE69619713D1 (en) METHOD AND DEVICE FOR DETERMINING THE DAMPING BETWEEN A BASE TRANSMISSION STATION AND A MOBILE STATION IN A MOBILE RADIO NETWORK
ATE173128T1 (en) CHANNEL ASSIGNMENT IN MOBILE RADIO SYSTEMS
SE9203335L (en) Radio module included in a primary radio station and radio structure containing such modules
EP0869621A3 (en) Radio receiver and AGC loop sensitivity control method used in the same
AU6463800A (en) Method for regulating a frequency offset in a base-station receiver of a data communications system
JPS6480134A (en) Transmission right control system
DE50214165D1 (en) Method for non-cooperative locating of subscribers in a power-controlled mobile radio system

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee